Lomando is a Japanese horror browser game and web experience that became known online for its strange pages, hidden paths and unexpected scare moments. The screamer sound is commonly associated with those sudden reveals, so it spread in horror edits, reaction compilations and prank videos. It remains popular because the setup is simple and effective: a calm moment, then an instant hit of panic. In meme culture, it fills a similar role to a FNAF Jumpscare Scream when creators want a fast, recognizable shock cue.